Year	Measure
1800	548.4
1801	549.4
1802	550.4
1803	551.4
1804	552.4
1805	553.4
1806	554.5
1807	555.5
1808	556.5
1809	557.5
1810	558.5
1811	559.5
1812	560.6
1813	561.6
1814	562.6
1815	563.6
1816	564.7
1817	565.7
1818	566.7
1819	567.8
1820	568.8
1821	569.8
1822	570.9
1823	571.9
1824	573
1825	574
1826	575.1
1827	576.1
1828	577.2
1829	578.2
1830	579.3
1831	580.3
1832	581.4
1833	582.5
1834	583.5
1835	584.6
1836	585.7
1837	586.7
1838	587.8
1839	588.9
1840	590
1841	591
1842	592.1
1843	593.2
1844	594.3
1845	595.4
1846	596.5
1847	597.5
1848	598.6
1849	599.7
1850	600.8
1851	601.9
1852	603
1853	604.1
1854	605.2
1855	606.3
1856	607.4
1857	608.6
1858	609.7
1859	610.8
1860	611.9
1861	613
1862	614.1
1863	615.3
1864	616.4
1865	617.5
1866	618.6
1867	619.8
1868	620.9
1869	622
1870	623.2
1871	624.3
1872	625.5
1873	626.6
1874	627.7
1875	628.9
1876	630
1877	631.2
1878	632.3
1879	633.5
1880	634.7
1881	635.8
1882	637
1883	638.1
1884	639.3
1885	640.5
1886	641.6
1887	642.8
1888	644
1889	645.2
1890	646.4
1891	647.5
1892	648.7
1893	649.9
1894	651.1
1895	652.3
1896	653.5
1897	654.7
1898	655.9
1899	657.1
1900	658.3
1901	659.5
1902	660.7
1903	661.9
1904	663.1
1905	664.3
1906	665.5
1907	666.7
1908	667.9
1909	669.2
1910	670.4
1911	671.6
1912	672.8
1913	674.1
1914	675.3
1915	676.5
1916	677.8
1917	679
1918	680.3
1919	681.5
1920	682.7
1921	684
1922	685.2
1923	686.5
1924	687.7
1925	689
1926	690.3
1927	691.5
1928	692.8
1929	694.1
1930	695.3
1931	696.6
1932	697.9
1933	699.1
1934	700.4
1935	701.7
1936	703
1937	704.3
1938	705.6
1939	706.8
1940	708.1
1941	709.4
1942	710.7
1943	712
1944	713.3
1945	714.6
1946	715.9
1947	717.2
1948	718.6
1949	719.9
1950	721.2
1951	722.5
1952	723.8
1953	725.1
1954	726.5
1955	727.8
1956	729.1
1957	730.5
1958	731.8
1959	733.1
1960	734.5
1961	735.8
1962	737.2
1963	738.5
1964	739.9
1965	741.2
1966	742.6
1967	743.9
1968	745.3
1969	746.6
1970	748
1971	749.4
1972	750.7
1973	752.1
1974	770.1
1975	788.5
1976	807.3
1977	826.6
1978	846.3
1979	866.5
1980	887.2
1981	908.4
1982	930.1
1983	952.4
1984	975.1
1985	998.4
1986	1022
1987	1047
1988	1072
1989	1097
1990	1123
1991	1204
1992	1283
1993	1367
1994	1466
1995	1586
1996	1765
1997	1869
1998	1866
1999	1216
2000	1373
2001	1565
2002	1414
2003	1333
2004	1292
2005	1354
2006	1270
2007	1375
2008	1530
2009	1675
2010	1782
2011	1940
2012	2059
2013	2168
2014	2296
2015	2427
2016	2590
2017	2776
2018	2975
2019	3151